ST Fastening 1/4 x 4" Self-Drilling HWH Steelbinder Metal Screw, Hex Washer Head - Electro-Galvanized, Qty. 250 Flat Hooks for Straps and blue (20') for fast

and blue (20') for fast identification

Proof-Tested: 2

or powder coated after installation to prevent corrosion

Makita 2500 RPM screwdriver motor

ST Fastening 1/4 x 4" Self-Drilling HWH Steelbinder Metal Screw, Hex Washer Head - Electro-Galvanized, Qty. 250 Flat Hooks for Straps and blue (20') for fast1 4 14 x 4" HWH Steelbinder self drilling pole barn screws are designed for general metal to metal construction applications. This includes HVAC, roof deck to steel framing, and roof clips to steel framing. The Drill Point is designed to penetrate a wide variety of metal thicknesses from thin sheet metal to 0. 250" with no "point walking". These Hex Washer Head screws come without a bonded sealing washer.